1
22
23 package com.liferay.taglib.ui;
24
25 import com.liferay.portal.kernel.servlet.StringServletResponse;
26 import com.liferay.taglib.util.IncludeTag;
27
28 import java.io.IOException;
29
30 import javax.servlet.RequestDispatcher;
31 import javax.servlet.ServletContext;
32 import javax.servlet.ServletException;
33 import javax.servlet.http.HttpServletRequest;
34 import javax.servlet.http.HttpServletResponse;
35 import javax.servlet.jsp.JspException;
36
37
42 public class PngImageTag extends IncludeTag {
43
44 public static void doTag(
45 String image, String height, String width,
46 ServletContext servletContext, HttpServletRequest request,
47 HttpServletResponse response)
48 throws IOException, ServletException {
49
50 doTag(_PAGE, image, height, width, servletContext, request, response);
51 }
52
53 public static void doTag(
54 String page, String image, String height, String width,
55 ServletContext servletContext, HttpServletRequest request,
56 HttpServletResponse response)
57 throws IOException, ServletException {
58
59 request.setAttribute("liferay-ui:png_image:image", image);
60 request.setAttribute("liferay-ui:png_image:height", height);
61 request.setAttribute("liferay-ui:png_image:width", width);
62
63 RequestDispatcher requestDispatcher =
64 servletContext.getRequestDispatcher(page);
65
66 requestDispatcher.include(request, response);
67 }
68
69 public int doEndTag() throws JspException {
70 try {
71 ServletContext servletContext = getServletContext();
72 HttpServletRequest request = getServletRequest();
73 StringServletResponse response = getServletResponse();
74
75 doTag(
76 getPage(), _image, _height, _width, servletContext, request,
77 response);
78
79 pageContext.getOut().print(response.getString());
80
81 return EVAL_PAGE;
82 }
83 catch (Exception e) {
84 throw new JspException(e);
85 }
86 }
87
88 public void setImage(String image) {
89 _image = image;
90 }
91
92 public void setHeight(String height) {
93 _height = height;
94 }
95
96 public void setWidth(String width) {
97 _width = width;
98 }
99
100 protected String getDefaultPage() {
101 return _PAGE;
102 }
103
104 private static final String _PAGE = "/html/taglib/ui/png_image/page.jsp";
105
106 private String _image;
107 private String _height;
108 private String _width;
109
110 }